Table 4 Comparison of CT features of calcifications between mature and immature teratoma
Parent matrix | Feature | mature | immature | p-value | ||
|---|---|---|---|---|---|---|
mean | SEM | mean | SEM | |||
Gray-level co-occurrence matrix (GLCM) | Homogeneity | 0.9971 | 0.00138 | 0.9898 | 0.00157 | p < 0.05 |
Energy | 0.9929 | 0.00326 | 0.9721 | 0.00434 | p < 0.05 | |
Contrast | 0.9679 | 0.66601 | 0.7807 | 0.27656 | p > 0.05 | |
Correlation | 0.5085 | 0.04363 | 0.6386 | 0.00606 | p < 0.05 | |
Entropy | 0.0596 | 0.02675 | 0.2072 | 0.03 | p < 0.05 | |
Dissimilarity | 0.0414 | 0.024 | 0.0742 | 0.01496 | p < 0.05 | |
Neighborhood grey-level dependence matrix (NGLDM) | Coarseness | 0.0013 | 0.00047 | 0.0001 | 0.00003 | p < 0.05 |
Contrast | 0.0001 | 0.00005 | 0.0001 | 0.00002 | p < 0.05 | |
Busyness | 57.8466 | 31.36417 | 407.1174 | 142.80582 | p < 0.05 | |